Home / 31,335.24-43,248.15-18,595.45

Finding the Fourth Proportional to 31,335.24, 43,248.15 and 18,595.45

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Solution

The fourth proportional to 31,335.24, 43,248.15 and 18,595.45 is: 25,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.24 : 43,248.15 = 18,595.45 : x
  2. Step 2: Convert to fraction form
    31,335.24/43,248.15 = 18,595.45/x
  3. Step 3: Cross multiply
    31,335.24x = 43,248.15 × 18,595.45
  4. Step 4: Simplify right side
    31,335.24x = 804,218,810.92
  5. Step 5: Solve for x
    x = 804,218,810.92/31,335.24
  6. Step 6: Final answer
    x = 25,665.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.